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GeForce GTX 860M vs Radeon HD 4750

Intro

The GeForce GTX 860M has a GPU core speed of 797 MHz, and the 4096 MB of GDDR5 RAM is set to run at 1000 MHz through a 128-bit bus. It also is made up of 1152 SPUs, 96 TAUs, and 16 ROPs.

Compare that to the Radeon HD 4750, which has GPU clock speed of 730 MHz, and 512 MB of GDDR5 RAM set to run at 800 MHz through a 128-bit bus. It also features 640(128x5) Stream Processors, 32 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
Radeon HD 4750 75 Watts
Difference: 30 Watts (67%)

Memory Bandwidth

The GeForce GTX 860M, in theory, should be quite a bit faster than the Radeon HD 4750 in general. (explain)

GeForce GTX 860M 64000 MB/sec
Radeon HD 4750 51200 MB/sec
Difference: 12800 (25%)

Texel Rate

The GeForce GTX 860M should be much (about 228%) better at AF than the Radeon HD 4750. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 4750 23360 Mtexels/sec
Difference: 53152 (228%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 860M is the winner, not by a very large margin though. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 4750 11680 Mpixels/sec
Difference: 1072 (9%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 4750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 860M Radeon HD 4750
Manufacturer nVidia AMD
Year March 12 2014
Code Name GM107 RV740
Memory 4096 MB 512 MB
Core Speed 797 MHz 730 MHz
Memory Speed 4000 MHz 3200 MHz
Power (Max TDP) 45 watts 75 watts
Bandwidth 64000 MB/sec 51200 MB/sec
Texel Rate 76512 Mtexels/sec 23360 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 11680 Mpixels/sec
Unified Shaders 1152 640(128x5)
Texture Mapping Units 96 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 826 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 4750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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